CNPC starts to drill first shale oil well in Sichuan

Beijing — China National Petroleum Corp (CNPC) started to drill its first shale oil well in the southwestern province of Sichuan, the company said in a statement on Monday * The well, with a designed hole depth of 3,735 metres (12,250 feet), attracted 10.62 million yuan ($1.50 million) investment, according to a document filed to local […] More »